@page "/EventList"
@using Salmon.Web.Data
@inject Salmon.Core.Instance Salmon

<PageTitle>Évènements</PageTitle>

<h1>Liste des évènements</h1>

@if (SelectedEvents == null)
{
    <p><em>Chargement...</em></p>
}
else
{
    <input type="checkbox" @bind="ExcludeValueChange" id="exclude-value-change"> 
    <label for="exclude-value-change">Exclude value change</label>

    <table class="table">
        <thead>
            <tr>
                <th>Horodatage</th>
                <th>Type</th>
                <th>Élément</th>
            </tr>
        </thead>
        <tbody>
            @foreach (var ev in SelectedEvents)
            {
                <tr>
                    <td>@ev.When.ToString("HH:mm:ss.ffffzzz")</td>
                    <td>@ev.Type</td>
                    <td>@ev.ThrowerId</td>
                </tr>
            }
        </tbody>
    </table>
}

@code {
    private static System.Timers.Timer Time = new System.Timers.Timer(5000);
    private Event[]? SelectedEvents;
    private bool ExcludeValueChange = true;

    protected override async Task OnInitializedAsync()
    {
        await base.OnInitializedAsync();

        await Refresh();

        Time.Elapsed += async (Object? source, System.Timers.ElapsedEventArgs e) =>
        {
            await InvokeAsync(async () => await Refresh());
        };
        Time.AutoReset = true;
        Time.Enabled = true;
    }

    public async Task Refresh()
    {
        var ev = new List<Event>();

        var filters = new Dictionary<string, object>();
        if(ExcludeValueChange)
            filters.Add("!Type", "state_changed");

        await foreach (var i in Salmon.Event.GetEvents(filters: filters))
            ev.Add(i);

        SelectedEvents = ev.ToArray();

        StateHasChanged();
    }
}